A protector drop a 192 grams piece of solid materia into graduated cylender containing 50 mL of water. The water level rise to 67mL. What the solid?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution

Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are